https://www.polygon.com/2018/11/21/18106474/pokemon-tamagotchi-eevee-release-date-price

Pokémon and Tamagotchi, the digital pet that spawned a worldwide toy fad in the late ’90s, are coming together. Next year, Eevee will get its own official Tamagotchi, letting Pokémon fans raise an Eevee and evolve it into eight different Eeveelutions.

How you care for your Eevee (and how often you give it attention) will determine whether it will evolve into an Umbreon, Jolteon, Vaporeon or the Pokémon’s other forms. Even the Tamagotchi will come in two forms, with “I love you, Eevee” and “Colorful friends” designs.